Qt Documentation

main.qml Example File

declarative/ui-components/scrollbar/qml/scrollbar/main.qml

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 1.0
Rectangle {
width: 640height: 480// Create a flickable to view a large image.Flickable {
id: viewanchors.fill: parentcontentWidth: picture.widthcontentHeight: picture.heightImage {
id: picturesource: "niagara_falls.jpg"asynchronous: true
}
// Only show the scrollbars when the view is moving.states: State {
name: "ShowBars"when: view.movingVertically||view.movingHorizontallyPropertyChanges { target: verticalScrollBar; opacity: 1 }
PropertyChanges { target: horizontalScrollBar; opacity: 1 }
}
transitions: Transition {
NumberAnimation { properties: "opacity"; duration: 400 }
}
}
// Attach scrollbars to the right and bottom edges of the view.ScrollBar {
id: verticalScrollBarwidth: 12; height: view.height-12anchors.right: view.rightopacity: 0orientation: Qt.Verticalposition: view.visibleArea.yPositionpageSize: view.visibleArea.heightRatio
}
ScrollBar {
id: horizontalScrollBarwidth: view.width-12; height: 12anchors.bottom: view.bottomopacity: 0orientation: Qt.Horizontalposition: view.visibleArea.xPositionpageSize: view.visibleArea.widthRatio
}
}